WAEC - Mathematics (2023 - No. 34)
An equilateral triangle has a side 2 cm. Calculate the height of the triangle.
5cm
\(\sqrt5\)cm
3cm
\(\sqrt{ 3}\)cm
Explanation
using Pythagoras theorem
H = \(\sqrt{ 2^2 - 1^2}\)
= \(\sqrt{ 4 - 1}\)
= \(\sqrt3\)cm
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